Abstract: Soil enzymes is one of the most important to evaluate the quality of soil in the ＂Heath-Evaluation Index System＂, meanwhile,it is the integral component of the properties of soil,which greatly affects the process of the biology,blological and chemical trials in the soil.As the important active index in ＂Anti-pollution＂ of the soil,and its sensibility to the charge of the biological environment, the study on the soil enzymes is concerned more and more.